4ch 5 MP 1U H.265 AcuSense DVR - 4channels and 1 HDD 1U AcuSense DVR - Support 2-ch Facial Recognition or 4-ch advanced model Perimeter Protection based on Deep Learning algorithm - Support 4-ch AcuSearch Technology - Encoding ability up to 4K/8MP @ 8fps(1-ch); 3K/5MP @12fps - Up to 8 channels IP camera inputs, each channel up to 8MP - 5signals input adaptively (HDTVI/AHD/CVI/CVBS/IP) - Support All channels Motion Detection Technology - Support All channels HDTVI Two-Way Audio Technology